Reset Autofill Cache in iTunes (now Music)

Is there a way to delete autofill names in iTunes (now Music)?

I have three variations of my name that come up when I fill in the "Artist" field.

For instance:

Steve R Lemert

Steve R. Lemert

Steven Lemert

I want to get rid of the first two (Steve R Lemert, Steve R. Lemert) and just use the third (Steven Lemert.)

I have searched for all instances of each name and have changed them all to "Steven Lemert" and yet when I fill out the "artist" field it still autofills "Steve R Lemert."

Is there a cache I can reset?